refactor: remove handbook sync state and related functionality

src/lib/__tests__/extractionPipeline.test.js

@@ -69,18 +69,21 @@ describe('buildKnownIdsHint', () => {
     expect(buildKnownIdsHint(null)).toBe('');
   });
 
-  it('formats the known IDs as a bulleted list with a leading instruction', () => {
-    const hint = buildKnownIdsHint(['software-engineer', 'onboarding-buddy']);
-    expect(hint).toContain('Already-extracted topic IDs');
-    expect(hint).toContain('- software-engineer');
-    expect(hint).toContain('- onboarding-buddy');
+  it('formats topics as id: "label" pairs with a leading instruction', () => {
+    const hint = buildKnownIdsHint([
+      { id: 'software-engineer', label: 'Software Engineer' },
+      { id: 'onboarding-buddy', label: 'Onboarding Buddy' },
+    ]);
+    expect(hint).toContain('Already-extracted topics');
+    expect(hint).toContain('- software-engineer: "Software Engineer"');
+    expect(hint).toContain('- onboarding-buddy: "Onboarding Buddy"');
     expect(hint.endsWith('\n')).toBe(true);
   });
 
-  it('caps the hint at the 200 most recent IDs', () => {
-    const ids = Array.from({ length: 250 }, (_, i) => `topic-${i}`);
-    const hint = buildKnownIdsHint(ids);
-    // The newest IDs must appear; the oldest must not.
+  it('caps the hint at the 200 most recent topics', () => {
+    const topics = Array.from({ length: 250 }, (_, i) => ({ id: `topic-${i}`, label: `Topic ${i}` }));
+    const hint = buildKnownIdsHint(topics);
+    // The newest topics must appear; the oldest must not.
     expect(hint).toContain('topic-249');
     expect(hint).toContain('topic-50');
     expect(hint).not.toContain('topic-49');

src/lib/__tests__/llmSchemas.test.js

@@ -1,8 +1,6 @@
 import { describe, expect, it } from 'vitest';
 import {
   extractionResultSchema,
-  handbookResultSchema,
-  normalizeHandbookResult,
   learningArticleSchema,
   learningSlidesSchema,
   learningInfographicSchema,
@@ -60,28 +58,6 @@ describe('extractionResultSchema', () => {
   });
 });
 
-describe('handbookResultSchema', () => {
-  it('accepts the loose vocabulary including executes', () => {
-    const parsed = handbookResultSchema.parse({
-      topics: [{ ...sampleTopic, metadata: { source: 'github_handbook' } }],
-      relations: [{ source: 'software-engineer', target: 'code-review', type: 'executes' }],
-    });
-    expect(parsed.relations[0].type).toBe('executes');
-  });
-
-  it('normalises executes into executed_by with swapped source/target', () => {
-    const parsed = handbookResultSchema.parse({
-      topics: [sampleTopic],
-      relations: [{ source: 'software-engineer', target: 'code-review', type: 'executes' }],
-    });
-    const normalised = normalizeHandbookResult(parsed);
-    expect(normalised.relations[0]).toMatchObject({
-      source: 'code-review',
-      target: 'software-engineer',
-      type: 'executed_by',
-    });
-  });
-});
 
 describe('learning schemas', () => {
   it('accepts an article payload', () => {

src/lib/__tests__/llmTools.test.js

@@ -1,7 +1,6 @@
 import { describe, expect, it } from 'vitest';
 import {
   EMIT_KNOWLEDGE_GRAPH_TOOL,
-  EMIT_HANDBOOK_DELTA_TOOL,
   EMIT_LEARNING_ARTICLE_TOOL,
   EMIT_LEARNING_SLIDES_TOOL,
   EMIT_LEARNING_INFOGRAPHIC_TOOL,
@@ -15,7 +14,6 @@ import { toolSchemaRegistry } from '../llmSchemas';
 
 const allTools = [
   EMIT_KNOWLEDGE_GRAPH_TOOL,
-  EMIT_HANDBOOK_DELTA_TOOL,
   EMIT_LEARNING_ARTICLE_TOOL,
   EMIT_LEARNING_SLIDES_TOOL,
   EMIT_LEARNING_INFOGRAPHIC_TOOL,